WO2010148172A2 - Tool for forming a three dimensional container or construct - Google Patents

Tool for forming a three dimensional container or construct Download PDF

Info

Publication number
WO2010148172A2
WO2010148172A2 PCT/US2010/038953 US2010038953W WO2010148172A2 WO 2010148172 A2 WO2010148172 A2 WO 2010148172A2 US 2010038953 W US2010038953 W US 2010038953W WO 2010148172 A2 WO2010148172 A2 WO 2010148172A2
Authority
WO
WIPO (PCT)
Prior art keywords
blank
tool
tool assembly
guides
pair
Prior art date
Application number
PCT/US2010/038953
Other languages
English (en)
French (fr)
Other versions
WO2010148172A3 (en
Inventor
Patrick H. Wnek
Original Assignee
Graphic Packaging International, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Graphic Packaging International, Inc. filed Critical Graphic Packaging International, Inc.
Priority to CA2761154A priority Critical patent/CA2761154C/en
Priority to EP10790174.6A priority patent/EP2442924A4/en
Priority to JP2012516289A priority patent/JP5490233B2/ja
Publication of WO2010148172A2 publication Critical patent/WO2010148172A2/en
Publication of WO2010148172A3 publication Critical patent/WO2010148172A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/044—Feeding sheets or blanks involving aligning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/592—Shaping sheet material under pressure using punches or dies

Definitions

  • the present disclosure relates to tools and methods for forming materials into articles, elements, constructs, or containers that may be used to hold, contain, or prepare food products or other products.
  • the disclosure is generally directed to a tool for forming a container from a blank.
  • the tool comprises a first tool assembly, and a second tool assembly. At least one of the first tool assembly and the second tool assembly is moveable between an open position of the tool wherein the blank is received between the first and the second tool assembly and a closed position of the tool wherein the blank is formed into the container.
  • a blank positioning system is adjacent at least one of the first tool assembly and the second tool assembly. The blank positioning system has features for positioning the blank in an aligned position wherein the blank is axially aligned with the first tool assembly and the second tool assembly in the open position of the tool.
  • the disclosure is generally directed to a blank positioning system for use in a tool for forming a container from a blank.
  • the tool has a first tool assembly and a second tool assembly. At least one of the first tool assembly and the second tool assembly is moveable between an open position of the tool wherein the blank is received between the first and the second tool assembly and a closed position of the tool wherein the blank is formed into the container.
  • the blank positioning system comprises a blank infeed table adjacent the at least one of the first tool assembly and the second tool assembly, the blank infeed table being for positioning the blank in an aligned position wherein the blank is axially aligned with the first tool assembly and the second tool assembly in the open position of the tool.
  • the disclosure is generally directed to a method of forming a container from a blank.
  • the method comprises obtaining a tool comprising a first tool assembly, a second tool assembly, and a blank positioning system, obtaining a blank to be formed into the container, positioning at least one of the first tool assembly and the second tool assembly in an open position of the tool, conveying the blank to the blank positioning system.
  • the method comprises activating features of the blank positioning system to position the blank between the first tool assembly and the second tool assembly, wherein the blank is axially aligned with the first tool assembly and the second tool assembly.
  • the conveying the blank comprises moving the blank from an upstream end of the tool assembly.
  • the method comprises positioning at least one of the first tool assembly and the second tool assembly in a closed position of the tool and pressing the blank between the tool assemblies to form the blank into the container.
  • Fig. 1 is a cross-section of a forming tool of one embodiment of the disclosure.
  • Fig. 2 is a cross-section of a lower tool assembly of Fig. 1.
  • Fig. 3 is a perspective of the lower tool assembly.
  • Fig. 4A is a top plan view of a blank infeed table of the lower tool assembly.
  • Fig. 4B is a side view of the blank infeed table of Fig. 4A.
  • Fig. 4C is a cross-section of the blank infeed table taken along plane 4C-4C of
  • FIGs. 5-8 are cross-sections of the forming tool showing various positioning and steps of forming a blank into a construct.
  • the present disclosure relates generally to various aspects of materials, packages, elements, articles, containers and methods of making such materials, packages, elements, articles and containers. Although several different features, aspects, implementations, and embodiments are provided, numerous interrelationships between, combinations thereof, and modifications of the various features, aspects, implementations, and embodiments of the disclosure are contemplated hereby, hi one illustrated embodiment, the present disclosure relates to forming a container for heating or cooking food items, such as in a microwave oven. However, in other embodiments, the disclosure can be related to forming articles or containers that are not used for microwave cooking. [0019] The present disclosure includes a forming tool 1 for forming a container C
  • the container C may be similar to the containers discloses in the following U.S. Patents and U.S. Patent Applications: U.S. Pat. No. 7,365,292; U.S. Pat. App. Pub. Nos. 2005/0109653; 2008/0047958; 2008/049048; and 2007/0262487, the above-noted documents being incorporated by reference herein for all purposes.
  • the forming tool 1 of the present disclosure can have similar features to any of the various forming tools and forming features disclosed in the above-identified patents and published patent applications.
  • the forming tool 1 includes an upper (first) tool assembly 3 and a lower (second) tool assembly 5.
  • the upper and lower tool assemblies 3 and 5 are independently moveable in the vertical direction Z along a central axis Al of the assembly to form a blank B into the three-dimensional container. It is understood that the upper and lower tool assemblies 3, 5 are moved in the vertical direction Z from the position shown in Fig. 1 to form a gap G (Figs. 5 and 6) between the assemblies so that the blank B traveling in the horizontal direction X is located between the upper and lower tool assemblies prior to the forming process.
  • the upper and lower tool assemblies 3, 5 are configured to form the container C (Fig.
  • the upper and lower forming tool assemblies 3, 5 could be otherwise configured to form containers having other three-dimensional shapes (e.g., containers with circular-shaped bottom wall/cavity, containers with rectangular-shaped bottom wall/cavity, etc.).
  • the container C can be discharged from the forming tool and further moved in the X- direction and subjected to additional forming or shaping processes, or can be further handled without departing from the scope of this disclosure.
  • the lower tool assembly 5 has a nose 9 forming a first axial end surface 11 of the lower tool assembly.
  • the nose 9 has a side surface 17 that extends downward from the axial surface 11.
  • the nose 9 has a cylindrical shaft 19 connected to a guide bushing 21.
  • the lower tool assembly 5 includes a base plate 25 having a central bore 27 that moveably receives the shaft 19 and the guide bushing 21.
  • the nose 9 is operatively connected to the base plate 25 by springs 31.
  • a draw ring 29 is located adjacent the base plate 25 and extends around the perimeter thereof.
  • the lower tool assembly 5 includes a bottom plate 33 that supports the base plate 25.
  • the draw ring 29 is moveable in the Z-direction relative to the bottom plate 33 and the base plate 25.
  • the lower tool assembly 5 has an upstream end 32 to which blanks are fed or conveyed in the X-direction, and downstream end 34 where containers C formed from the blanks are discharged from the tool 1 and further conveyed for packaging and/or further processing. It is understood that the tool could be otherwise oriented such that the upstream end 32 and downstream end 34 are otherwise positioned without departing from the disclosure.
  • the tool 1 comprises a blank positioning system
  • the blank positioning system 121 mounted on the lower tool assembly 5, generally at the upstream end 32 of the tool.
  • the blank positioning system 121 comprises first blank guides 37 that are attached at opposite sides of the lower tool assembly 5 to guide the blank B and prevent movement of the blank in the Y-direction (Fig. 3) that is perpendicular to the direction of travel of the blank (X-direction).
  • the first blank guides 37 each have a respective upstream end 39 and a respective downstream end 41.
  • the blank positioning system 121 includes middle blank guides 43 that are located adjacent the outer surface of the draw ring 29 and a respective upstream end 39 of the first blank guides 37.
  • the middle blank guides 43 are angled with respect to the first blank guides 37 and have a respective upstream end 45 and downstream end 47.
  • the lower tool assembly 5 comprises exit guides 51 that are located adjacent the downstream ends 47 of the middle blank guides 43.
  • An exit plate 55 is located at a downstream side of the draw ring 29 and is between the exit guides 51.
  • the exit guides 51 are positioned to be in a generally parallel planar relationship with the first blank guides 37, but are spaced inward from and are separated by a smaller distance in the X-direction than the first blank guides.
  • the first blank guides 37, middle blank guides 43, and exit blank guides 51 are generally rectangular plates that extend upward from and are generally perpendicular to the axial end surface 11 of the nose 9.
  • the blank guides 37, 43, 51 can be alternatively shaped, arranged, and/or located without departing from this disclosure.
  • the blank positioning system 121 comprises a blank infeed table 61 located at the upstream side of the lower tool assembly 5.
  • the blank infeed table 61 is supported above the bottom plate 33 of the lower tool assembly 5 by a support 63.
  • the blank infeed table 61 is shown in detail in Figs. 4A- 4C.
  • the blank infeed table 61 has a generally flat upstream end surface 65, an upper surface or face 67, a lower surface or face 69, a downstream end surface 71, and two opposed side surfaces 73.
  • the opposed side surfaces 73 are adjacent a respective one of the first blank guides 37.
  • the downstream end surface 71 has a generally rectangular notch 75 located on the centerline CL of infeed table 61 and two arcuate portions 77 respectively extending from the rectangular notch.
  • each of the two arcuate portions 77 of the downstream end surface 71 includes a blank guiding surface 80 comprising a lower portion 81 that extends generally perpendicular from the bottom surface 69 and an upper portion 83 that is contoured and extends obliquely (in cross-sectional view of Fig. 4C) from the lower portion to the top face 67.
  • the upper portion 83 of the blank guiding surface 80 is positioned at an angle of at least approximately 60 degrees relative to the flat top surface 67 of the infeed table 61.
  • the upper portion 83 could be otherwise shaped and/or arranged (e.g., angled more or less than 60 degrees relative to the top surface 67) without departing from the disclosure.
  • the blank infeed table 61 could be otherwise shaped, arranged, and/or positioned without departing from the disclosure.
  • the upper tool assembly 3 includes a cavity block or cavity 91 having a recess 93 generally shaped to correspond with the shape of the container C.
  • a clamp ring 97 is located adjacent an outer radial surface of the cavity block 91.
  • the clamp ring 97 is operatively connected to a base plate 98.
  • the upper tool assembly 3 can be otherwise shaped, arranged, and/or configured and can have more or less than the components shown and described herein without departing from the disclosure.
  • the lower tool assembly 5 includes the blank positioning system 121 at the upstream side of the forming tool assembly 1 that comprises the first blank guides 37, middle blank guides 43, and the blank infeed table 61.
  • the blank positioning system 121 provides precise positioning of the blank B in the X and Y-directions prior to forming the blank B into the container C.
  • the blank B is generally oval-shaped and is slid across the blank infeed table 61 and is positioned by the blank positioning system 121 to be in the proper location above the lower forming tool assembly 5 prior to press-forming the blank into the container.
  • a method of forming the container C from the blank is described below.
  • the container of the present disclosure is formed from the blank B by feeding the blank into the forming tool assembly 1 and operating the assembly to press and shape the blank into the container.
  • the blank B can be moistened to facilitate forming of the container C.
  • the blank B is slid across the blank infeed plate 61 and is positioned in between the upper and lower tool assemblies 3, 5 by the first blank guides 37 and middle blank guides 43 of the blank positioning system 121,
  • a conveying mechanism such as a conveyor belt (not shown) or other suitable material handling mechanism, conveys the blank B in the direction of arrow Al to the proper position between the upper tool assembly 3 and lower tool assembly 5.
  • the blank is supported by the axial end surface 11 of the nose 9 and the draw ring 29 on the lower tool assembly.
  • the upper tool assembly 3 is actuated to initiate downward movement toward the lower tool assembly 5.
  • the blank B is pressed between the nose 9 and the cavity block 91 so that the blank is pressed into a three-dimensional shape of the container C (Figs. 7 and 8).
  • the X and Y-directional position control of the blank positioning system 121 can be beneficial in forming any three-dimensional article or container from blanks that are other than oval-shaped.
  • the forming tool I could form a container, having a cavity that is otherwise shaped (e.g., round, square, rectangular, etc.), from an appropriately sized and shaped blank.
  • the container could be a three dimensional container such as a tray having a bottom wall and at least one side wall.
  • the upper tool assembly 3 is raised and the container C is ejected from the tool assembly 1 (Fig. 8) such that the container exits the downstream end of the tool assembly such that the container is supported by the exit plate 55 and is guided by the exit guides 51.
  • the container can be further conveyed in the X-direction by a conveying mechanism (e.g., conveyor belt) for further processing, packaging, and/or shipment or for assembly into a finished food product package.
  • a conveying mechanism e.g., conveyor belt
  • a table T or support surface is adjacent to the exit plate 55, but the table T could be a portion of a conveying mechanism that further conveys the containers C.
  • the upper tool assembly 3 and lower tool assembly 5 can be mounted at approximately a 45° angle in a machine (not shown) of the type manufactured by Peerless Machine & Tool Corporation in Marion, Indiana, USA.
  • the machine provides the primary compressive forces to sufficiently close and open the tool assemblies 3, 5 of the present disclosure.
  • the closing and opening of the tool assemblies 3, 5 by the machine forms the three-dimensional articles or containers C.
  • the tool assemblies 3, 5 may be revised/modified to permit the tool assemblies to operate in alternative orientations (e.g., upside down or on their side). It should be understood that the operating position of tool assemblies 3 and 5 shown and/or described herein is not intended to limit the scope of the disclosure.
  • the container can include microwave interactive material that may comprise a microwave interactive element such as a susceptor.
  • the container can include microwave interactive elements or material as is disclosed in any of the U.S. Patents and Published Patent Applications that are noted above and incorporated by reference herein.
  • the microwave interactive material can comprise any other type of microwave interactive elements, materials, and/or various combinations of microwave interactive elements and material, as discussed in greater detail below.
  • the microwave interactive elements and materials may be omitted from the container without departing from the scope of this disclosure.

Landscapes

  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
PCT/US2010/038953 2009-06-17 2010-06-17 Tool for forming a three dimensional container or construct WO2010148172A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2761154A CA2761154C (en) 2009-06-17 2010-06-17 Tool for forming a three dimensional container or construct
EP10790174.6A EP2442924A4 (en) 2009-06-17 2010-06-17 Tool for forming a three dimensional container or construct
JP2012516289A JP5490233B2 (ja) 2009-06-17 2010-06-17 三次元容器又は構造物を形成する工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18784909P 2009-06-17 2009-06-17
US61/187,849 2009-06-17

Publications (2)

Publication Number Publication Date
WO2010148172A2 true WO2010148172A2 (en) 2010-12-23
WO2010148172A3 WO2010148172A3 (en) 2011-03-31

Family

ID=43354854

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/038953 WO2010148172A2 (en) 2009-06-17 2010-06-17 Tool for forming a three dimensional container or construct

Country Status (5)

Country Link
US (2) US8480551B2 (ja)
EP (1) EP2442924A4 (ja)
JP (1) JP5490233B2 (ja)
CA (1) CA2761154C (ja)
WO (1) WO2010148172A2 (ja)

Cited By (4)

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CN103028671A (zh) * 2012-12-13 2013-04-10 宁波太尔炊具有限公司 一种斜面铝制不粘锅的加工方法
CN103028653A (zh) * 2012-12-13 2013-04-10 宁波太尔炊具有限公司 一种直伸铝制不粘锅的加工方法
CN103418691A (zh) * 2013-08-12 2013-12-04 太仓市微贯机电有限公司 一种薄料拉深挤切复合模具
CN104942149A (zh) * 2015-06-19 2015-09-30 昆山—邦泰汽车零部件制造有限公司 稳固冲压模具

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CN108435926A (zh) * 2018-06-25 2018-08-24 湖北航嘉麦格纳座椅系统有限公司 一种冲床用的弯曲模
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CN110802169B (zh) * 2019-11-01 2020-12-15 嘉善荣德金属制品股份有限公司 一种金属外壳冲压加工模具
CN114801320B (zh) * 2022-05-16 2023-05-26 山东大学 一种纸板冲压成形装置及方法

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